Authors: John D Birkmeyer; Andrea E Siewers; Emily V A Finlayson; Therese A Stukel; F Lee Lucas; Ida Batista; H Gilbert Welch; David E Wennberg Journal: N Engl J Med Date: 2002-04-11 Impact factor: 91.245
Authors: J A Sosa; H M Bowman; T A Gordon; E B Bass; C J Yeo; K D Lillemoe; H A Pitt; J M Tielsch; J L Cameron Journal: Ann Surg Date: 1998-09 Impact factor: 12.969